Are you in a situation where your computer's Wi-Fi module is broken or missing, but you urgently need to connect to a wireless network? Or do you want to use your smartphone's mobile internet on your PC without being tethered to a USB cable? In such cases You can turn your Android device into a full-fledged Wi-Fi adapter. — both via USB and Bluetooth. This method works even on older smartphones with Android 6.0+, without requiring root rights or complex manipulations.
Unlike a classic hotspot, where the smartphone acts as an access point, here it performs the opposite function: connects to an existing Wi-Fi network and transmits it to the computer via an alternative channel. This is relevant for laptops with a faulty Wi-Fi module, desktop PCs without an adapter, or Linux devices without wireless card drivers installed. In this article, we'll discuss all the working methods, their pros and cons, and setup details.
When Android as a Wi-Fi adapter is the best solution
Before proceeding with the instructions, determine if this method is right for you. Using a smartphone as an adapter makes sense in several scenarios:
- 🔧 The built-in Wi-Fi module is broken. on a laptop or PC, and purchasing a new adapter is temporarily unavailable.
- 🖥️ Need to connect desktop computer to Wi-Fi without purchasing a USB dongle.
- 📱 Want to use mobile Internet (4G/5G) on a PC without being tied to a cable (an alternative to USB tethering).
- 🔄 Required backup connection channel with unstable main internet.
- 🐧 You are setting up Linux and you can't connect to Wi-Fi due to driver issues.
However, there are limitations. Connection speeds will be lower than when connecting the Wi-Fi module directly to the PC, and latency (ping) will be higher, especially when using Bluetooth. Some corporate networks block such connection schemes due to security policies.If your goal is online gaming or transferring large files, it's better to consider purchasing a dedicated adapter.
Smartphone and computer requirements
To use Android as a Wi-Fi adapter, make sure your hardware meets the minimum requirements:
| Component | Minimum requirements | Recommendations |
|---|---|---|
| Android device | Version Android 6.0+, support USB OTG or Bluetooth 4.0 | Android 9.0+ (best compatibility), connector USB-C for a stable USB connection |
| Computer | Windows 7+, macOS 10.12+, Linux (kernel 3.0+) | Windows 10/11 or Linux with kernel 5.4+ (better USB tethering support) |
| Cable/Bluetooth | A USB data cable or Bluetooth adapter on a PC | Cable USB-C to USB-A (for modern smartphones), Bluetooth 5.0 |
| Access rights | USB debugging (for some methods) | Unlocked bootloader (for advanced methods only) |
Please pay special attention to USB cableMany cheap cables only support charging, not data transfer. If your smartphone starts charging when you connect it to your PC, but the computer doesn't detect the device, try a different cable. You can check this using the following command in the terminal (Linux/macOS) or the device manager (Windows):
lsusb
If your smartphone appears in the list (for example, Samsung Galaxy or Xiaomi Redmi) - the cable fits.
⚠️ Attention: On some devices Huawei And Honor USB tethering may be blocked after EMUI updates. Resetting network settings or using Bluetooth may help.
Method 1: USB tethering (the most stable method)
This is the main way to turn an Android device into a Wi-Fi adapter. It connects the smartphone to a Wi-Fi network and then transmits internet to a PC via a USB cable. The advantages of this method:
- ⚡ Maximum speed (limited only by the capabilities of the USB port).
- 🔌 Minimal delays compared to Bluetooth.
- 🔋 Support charging smartphone during work.
Instructions for Android 10+ (on older versions the steps may be):
- Connect your smartphone to your PC via USB cable.
- On your smartphone, go to
Settings → Network & Internet → Hotspot & Tethering. - Activate the option USB modem (sometimes called "USB tethering").
- On your PC, check the connection: in Windows, open
Network Settings → Ethernet, in Linux runifconfigorip a.
If the Internet does not appear:
USB debugging is enabled (Settings → Developer options)
ADB drivers installed on PC (for Windows)
The cable supports data transfer (try another one)
USB access is allowed on your smartphone (when connecting, select "File Transfer") -->
On some devices (eg. Samsung Galaxy S22) You may need to confirm the connection via a notification. If your PC still can't see the network, try:
adb shell svc usb setFunctions rndis
This command will force the mode to be activated. RNDIS (USB network) which is used for tethering.
Method 2: Bluetooth tethering (for devices without USB OTG)
If your smartphone does not support USB OTG or there is no cable, you can use BluetoothThis method is slower (maximum ~3 Mbps), but does not require wires. Suitable for:
- 📱 Old Android devices (Android 5.0–7.0).
- 🖥️ PC without free USB ports.
- 🔄 Temporary backup connection.
Step-by-step instructions:
- Turn on Bluetooth on your smartphone and PC and pair the devices.
- On your smartphone, go to
Settings → Connections → Tethering & portable hotspot. - Activate Bluetooth modem.
- On your PC, select your smartphone in the Bluetooth panel and connect to the network (in Windows, this is done through "Settings → Devices → Bluetooth & other devices").
Limitations of the method:
- 🐢 Low speed (only suitable for web surfing, not for downloading files).
- 🔋 Increased smartphone battery consumption.
- 🔌 Connection interruptions are possible when devices are more than 5 meters away.
⚠️ Attention: On macOS Manual configuration of the network interface may be required viaSystem Preferences → Network. Select the Bluetooth PAN connection and configure DNS manually (e.g.8.8.8.8).
Method 3: Reverse Tethering (Advanced Method)
This method is suitable for cases when you need to not only connect your PC to Wi-Fi via a smartphone, but also Share Internet from your PC to other devicesFor example, if you have wired internet on your computer but no Wi-Fi router, Android acts as a bridge between the PC and other devices.
For implementation you will need:
- 📱 Android with root rights (or unlocked bootloader).
- 🖥️ PC with installed ADB And Python 3.6+.
- 🔧 Utility
gnirehtet(reverse tethering tool).
Instructions:
- Install
gnirehteton PC:pip install gnirehtet - Connect your smartphone via USB and enable debugging.
- Run the utility:
gnirehtet run - A notification about connecting to a VPN will appear on your smartphone – confirm it.
Now your PC can share its internet connection via your smartphone with other devices. For example, if an Ethernet cable is connected to your computer, your smartphone can share the internet connection as a Wi-Fi hotspot.
What to do if gnirehtet doesn't work?
1. Check if USB debugging is enabled (Settings → Developer options → USB debugging).
2. Update ADB to the latest version (adb --version).
3. Try a different USB cable (some cables do not transfer data).
4. On some firmware (for example, MIUI) you need to disable ADB signature verification:
adb disable-verityComparison of methods: which one to choose
To determine the optimal method, let's evaluate the key parameters of each method:
| Parameter | USB tethering | Bluetooth tethering | Reverse Tethering |
|---|---|---|---|
| Speed | Up to 480 Mbps (USB 2.0) | Up to 3 Mbps | Depends on PC (up to 1 Gbps) |
| Latency (ping) | 10–30 ms | 100–300 ms | 5–20 ms |
| Difficulty of setup | ⭐ (simple) | ⭐ (simple) | ⭐⭐⭐ (requires root) |
| Battery consumption | Low (USB charging) | High | Average |
| Supported PC OS | Windows, macOS, Linux | Windows, macOS, Linux | Linux, Windows (with additional software) |
For most users USB tethering will be the best choice due to the balance of speed and simplicity. Bluetooth suitable as a temporary solution, but Reverse Tethering — for specific tasks, such as creating a bridge between wired and wireless internet.
Troubleshooting and Errors
When using Android as a Wi-Fi adapter, common errors can occur. Let's look at the most common ones and how to fix them:
1. The PC does not see the USB connection
The problem is often related to the drivers or cable. Check:
- 🔌 Connect your smartphone to a different USB port (preferably
USB 3.0). - 🖥️ Update your drivers ADB And RNDIS via Windows Device Manager.
- 📱 On your smartphone, when connecting, select the mode
File Transfer (MTP).
2. No internet access while tethering is active
Possible reasons:
- 🚫 The operator blocks tethering (check your tariff).
- 🔄 IP address conflict (try restarting your smartphone and PC).
- 🛡️ Windows Firewall is blocking the connection (disable it temporarily for the test).
3. Bluetooth tethering keeps disconnecting
Often found on Windows 10/11 due to energy saving:
- Open
Device Manager → Network Adapters. - Find the device with the name
Bluetooth Network Connection. - In the properties tab
Power managementuncheckAllow the computer to turn off this device to save power.
⚠️ Attention: On some firmware versions Xiaomi (MIUI 12+) USB tethering may become unstable due to battery optimization. Disable app restrictions.Settingsin the sectionBattery → Battery optimization.
FAQ: Frequently Asked Questions
Is it possible to use Android as a Wi-Fi adapter without root?
Yes, for USB tethering And Bluetooth tethering Root is not required. It is only needed for advanced methods like Reverse Tethering or changing the MAC address.
Why is the speed via USB lower than via direct Wi-Fi?
The speed is limited by the bandwidth of the USB port (eg. USB 2.0 gives a maximum of 480 Mbit/s, and USB 3.0 — up to 5 Gbps). The overhead of encryption and data processing by the smartphone also plays a role. For maximum speed, use a cable. USB-C to USB-C and the port USB 3.1+ on PC.
Can I use USB tethering and charge my smartphone at the same time?
Yes, when connected to a PC's USB port, your smartphone will both transfer data and charge. However, charging speed may be slower due to the simultaneous data transfer. For faster charging, use a USB-C-enabled port. Quick Charge or Power Delivery.
Does this method work on iPhone?
On iPhone There is no built-in USB tethering feature for connecting to a Wi-Fi network. However, you can use Bluetooth tethering or Lightning-to-Ethernet An adapter for direct connection to the router. A full-fledged Android alternative requires jailbreaking.
How can I check that traffic is going through my smartphone and not through my PC's main network?
In Windows, open Command line and run:
tracert ya.ru
If the first hop (IP address) belongs to your smartphone (usually 192.168.42.x or 192.168.1.x) - traffic goes through it. In Linux, use traceroute.